Jar



FIG. 1 illustrates a front perspective view of a jar showing my new design;

FIG. 2 illustrates a front elevation view rotated 45° along a vertical axis thereof

FIG. 3 illustrates a front elevation view thereof, wherein the right side, left side and rear elevation views are identical images of this view;

FIG. 4 illustrates a top view thereof; and,

FIG. 5 illustrates a bottom view thereof, wherein the broken lines on the are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a jar, as shown and described. 